Cloud ships on course to beat climate change, says Copenhagen study It is hoped that the clouds produced by the "cloud ships" could cancel out the greenhouse effect Ben Webster, Environment Editor, and Hannah Devlin They sound like ideas from a Jules Verne novel, but giant engineering schemes designed to alter the climate offer the cheapest way of avoiding catastrophic global warming, according to a growing number of scientists and green-minded entrepreneurs. Most of the schemes have been dismissed as impossibly expensive or impractical, such as the proposal to create a space sunshade by using rockets to deploy millions of...